23740188861 has 8 divisors (see below), whose sum is σ = 31675587840. Its totient is φ = 15815791232.

The previous prime is 23740188839. The next prime is 23740188889. The reversal of 23740188861 is 16888104732.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23740188861 - 2²¹ = 23738091709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23740188861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23740188811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2745300 + ... + 2753933.

It is an arithmetic number, because the mean of its divisors is an integer number (3959448480).

Almost surely, 2^23740188861 is an apocalyptic number.

It is an amenable number.

23740188861 is a deficient number, since it is larger than the sum of its proper divisors (7935398979).

23740188861 is a wasteful number, since it uses less digits than its factorization.

23740188861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5500675.

The product of its (nonzero) digits is 516096, while the sum is 48.

The spelling of 23740188861 in words is "twenty-three billion, seven hundred forty million, one hundred eighty-eight thousand, eight hundred sixty-one".